html,body {
    margin: 0;
    padding: 0;
    min-width: 1200px;
    cursor: url("../cursor/arrow.cur"), auto;
    height: auto;
    /**/
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: none;

}

.self-container {
    box-sizing: border-box;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: auto;
    background-image: url("../img/astronomy.jpg");
    background-repeat: no-repeat;
    background-color: #F2F2F2;
    background-size: cover;
}

.self-container div {
    width: 100%;
}

.header {
    width: auto;
    height: 105px;
    padding: 5px 0;
    z-index: 2;
    /*display: flex;*/
    /*background: wheat;*/
}

#h-logo  {
    margin-left: 10px;
    margin-top: 5px;
}

#h-logo:hover {
    cursor: url("../cursor/link.cur"), pointer;
}

#a-logo:hover {
    cursor: url("../cursor/link.cur"), pointer;
}

.logo-site {
    display: inline-block;
}

.sign-in {
    position: relative;
    float: right;
    right: 20px;
    top: 15px;
    font-size: 15px;
    border: #F0EFFF 2px solid;
    padding: 8px 16px;
    border-radius: 50px;
    color: #F0EFFF;
    transition: all 0.3s;
    background-color: rgba(23,11,30,0);
    backdrop-filter: blur(0);

}

.sign-in:hover {
    color: rgb(142,114,136);
    border: rgba(142,114,136,0.7) 2px solid;
    background-color: rgba(23,11,30,0.7);
    backdrop-filter: blur(1px);
    text-decoration: none;
    transition: all 0.3s;
    cursor: url("../cursor/link.cur"), pointer;
}

.sign-in span {
    cursor: url("../cursor/link.cur"), pointer;
}

.header-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    /*width: 100%;*/
    /*margin: 0 auto;*/
    /*bottom: 0;*/
    background: rgba(23,11,30,0.2);
    backdrop-filter: blur(2px);
    height: auto;
}

.header-nav-item {
    text-align: center;
    padding: 10px 0;
}

.header-nav-item:hover {
    background: rgba(142,114,136,0.3);
}

.header-nav-item a {
    display: block;
    letter-spacing: 3px;
    font-size: 18px;
    color: white;
    height: 24px;
    margin: 0;
    padding: 0;
}

.header-nav-item a:hover {
    cursor: url("../cursor/link.cur"), pointer;
}

.header-nav-second {
    width: 100%;
    height: 0;
}

.header-nav-item ul {
    position: relative;
    width: 100%;
    top: 10px;
    display: none;
    background: rgba(105,101,110,0.3);
    list-style: none;
}

.header-nav-item ul li {
    width: auto;
    height: 37px;
    padding-top: 5px;
    padding-bottom: -5px;
}

.header-nav-item ul li:hover {
    background: rgba(128,128,128,0.5);
    font-size: 20px;
}

.header-nav-item ul li a {
    width: auto;
    height: 37px;
    font-size: 18px;
    transition: all 0.3s;
}

.header-nav-item ul li a:hover {
    font-size: 19px;
}

.self-banner {
    width: 120%;
    height: 450px;
    font-size: 0;
    overflow: hidden;
    position: relative;
    /*left: -40px;*/
}

.self-banner-img {
    width: 100%;
    height: 450px;
    position: absolute;
    left: 0;
    top: 0;
    object-fit: cover;
}

.self-banner-img li {
    width: 100%;
    height: 450px;
    display: inline-block;
    background-position: center;
    background-repeat: no-repeat;
    float: left;
    list-style: none;
}

.self-banner-img li img {
    width: 100%;
    object-fit: cover;
}

.self-banner-list {
    height: 50px;
    top: 400px;
    position: relative;
    margin: 0 auto;
    z-index: 1;
}

.self-banner-list span {
    display: block;
    cursor: url("../cursor/link.cur"), pointer;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 3px solid #555;
    float: left;
    margin: 0 5px;
}

.self-banner-list .spcss {
    border: 3px solid cornflowerblue;
}

.self-banner .banner-arrow-left {
    position: absolute;
    height: 90px;
    width: 60px;
    top: 50%;
    left: -60px;
    background-color: rgba(73,72,62, 0.6);
    margin-top: -45px;
    text-align: center;
    transition: all .5s;
    z-index: 2;
    cursor: url("../cursor/link.cur"), pointer;
}

.self-banner .banner-arrow-left:hover {
    background-color: rgba(73,72,62, 0.9);
}

.self-banner .banner-arrow-right {
    position: absolute;
    height: 90px;
    width: 60px;
    top: 50%;
    right: -60px;
    background-color: rgba(73,72,62, 0.6);
    margin-top: -45px;
    text-align: center;
    transition: all .5s;
    z-index: 2;
    cursor: url("../cursor/link.cur"), pointer;
}

.self-banner .banner-arrow-right:hover {
    background-color: rgba(73,72,62, 0.9);
}

.self-banner .banner-arrow-left img {
    margin-top: 22px;
    cursor: url("../cursor/link.cur"), pointer;
}

.self-banner .banner-arrow-right img {
    margin-top: 22px;
    cursor: url("../cursor/link.cur"), pointer;
}

.content {
    padding: 0;
    margin: 0;
    flex: auto;
    background: rgba(242,242,242,0.15);
}

/*#to-top {*/
/*    position: fixed;*/
/*    width: 45px;*/
/*    height: 45px;*/
/*    right: 30px;*/
/*    bottom: 30px;*/
/*    border-radius: 30px;*/
/*    background-image: url("../img/up_arrow.png");*/
/*    background-repeat: no-repeat;*/
/*    cursor: url("../cursor/link.cur"), pointer;*/
/*    display: none;*/
/*    transition: background-image .5s linear;*/
/*}*/

/*#to-top:hover {*/
/*    background-image: url("../img/up_arrow_hover.png");*/
/*    background-repeat: no-repeat;*/
/*}*/

#to-top {
    position: fixed;
    width: 45px;
    height: 45px;
    right: 30px;
    bottom: 30px;
    border-radius: 10px;
    background: white;
    color: gray;
    cursor: url("../cursor/link.cur"), pointer;
    display: none;
    transition: all .5s linear;
}

#to-top:hover {
    background: gray;
    color: white;
}

.index-contents {
    display: flex;
    flex-direction: row;
}

.index-content {
    width: 40%;
    height: auto;
    background-color: rgba(255, 255, 255, 0.45);
    margin: 15px 25px 15px 25px;
    padding: 15px 25px 15px 25px;
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
    display: flex;
    flex-direction: column;
}

.topper {
    box-sizing: border-box;
    display: flex;
    flex-direction: row;
}

.news-notis-content:hover {
    cursor: url("../cursor/link.cur"), pointer;
    color: #725622;
}

.news-notis-content span:hover {
    cursor: url("../cursor/link.cur"), pointer;
    color: #725622;
}